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1998 (1)
1Author    Mohamed Fahmy, El-SayedRequires cookie*
 Title    Electrohydrodynamic Kelvin-Helmholtz Instability of Two Rotating Dielectric Fluids  
 Abstract    A linear stability analysis of a novel electrohydrodynamic Kelvin-Helmholtz system consisting of the superposition of two uniformly rotating dielectric media is presented. The characteristic equation for such an arrangement is derived, which in turn yields a stability criterion for velocity differences of disturbances at a given rotation frequency. The conditions of stability for long and short wave perturbations are obtained, and their dependence on rotation, surface tension and applied electric field is discussed. Limiting cases for vanishing fluid velocities, rotation frequency, and applied electric field are also discussed. Under suitable limits, results of previous works are recovered. A detailed analysis for tangential and normal applied electric fields, in the presence and absence of surface charges, is carried out. 
  Reference    Z. Naturforsch. 53a, 17—26 (1998); received February 27 1997 
  Published    1998 
  Keywords    Hydrodynamic Stability, Electrohydrodynamics, Interfacial Instability, Rotational Flows, Dielectric Fluids 
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 TEI-XML for    default:Reihe_A/53/ZNA-1998-53a-0017.pdf 
 Identifier    ZNA-1998-53a-0017 
 Volume    53